- SYNTHESIS AND SUBSTITUTION REACTIONS OF 4(6)-CHLORODIHYDROPYRIMIDINES
[作者:CHO HIDETSURA; YASUI YOSHIZUMI; KOBAYASHI SATOSHI; KWON EUNSANG; ARISAWA MIEKO; YAMAGUCHI MASAHIKO,期刊:Heterocycles, 页码:1807-1818 , 文章类型: Article,,卷期:2011年83-8]
- Chlorination of the corresponding ketones with phenylphosphonic dichloride (PhPOCl(2)) provided ethyl 6(4)-chloro-2-methyl-4(6)-phenyl-1,4(6)dihydropyrimidine-5-carboxylate in good yield. The cross-coupling reactions of ...
- PENICITRINOLS F-I, NEW CITRININ DERIVATIVES FROM THE MARINE-DERIVED FUNGUS PENICILLIUM CITRINUM
[作者:CHEN LI; LIU WEI; HUANG KAI; HU XIAO; FANG ZHEXIANG; WU JIULIN; ZHANG QIQING,期刊:Heterocycles, 页码:1853-1858 , 文章类型: Article,,卷期:2011年83-8]
- Four new citrinin derivatives, namely, penicitrinols F, G, H, and 1 (1-4), along with four known compounds, namely, 4,6-dihydroxy-2,3-dimethyl-benzaldehyde (5), pennicitrinone A (6), dicitrinone B (7), and dicitrinone C ...
- TWO NEW EUJINDOLES FROM EUPENICILLIUM JAVANICUM
[作者:NAKADATE SHOU; NOZAWA KOOHEI; YAGUCHI TAKASHI,期刊:Heterocycles, 页码:1867-1871 , 文章类型: Article,,卷期:2011年83-8]
- Two new indole diterpenes, 8,21-dehydro-17-hydroxyeujindole (3) and 8,21-dehydro-17,20-epoxyeujindole (4) were isolated from the extract of Eupenicillium javanieum IFM 59075. The structures were determined by spectroscop...
- ANNULATION AND EVALUATION OF ANTIBACTERIAL ACTIVITY OF THE NEW FUSED TRICYCLIC (5,5,6) RING SYSTEM OF PYRAZOLP[1,5-c]-1,2,4-TRIAZOLO[4,3-a]PYRIMIDINES
[作者:ATTA KAMAL F M; MAREI MOHAMED G; ELMAGIAD SOMIA M ABD; ELNASHAR FATEN H A,期刊:Heterocycles, 页码:1873-1888 , 文章类型: Article,,卷期:2011年83-8]
- A series of the new fused 5-aryl-8-phenyl-2H-pyrazolo[1,5-c]-1,2,4-triazolo[4,3-a]pyrimidine-3-thi ones 2 were prepared in excellent yields by the reaction of 5-aryl-7-hydrazino-2-phenylpyrazolo[1,5-c]pyrimidines 1 with ...
- SYNTHESIS OF FURO[2,3-c] PYRIDINE
[作者:CHANG MENGYANG; TAI HANGYI,期刊:Heterocycles, 页码:1889-1896 , 文章类型: Article,,卷期:2011年83-8]
- A new synthetic strategy toward furo[2,3-c]pyridine (1) starting with N-benzenesulfonylpiperidin-4-one (2) in good yield is described. A synthesis of azasuger analog 9 is also prepared.
- TWO NEW XANTHONE GLUCOSIDES FROM SWERTIA MUSSOTII FRANCH
[作者:GAO LU; ZHOU YONGFU; YAN HAIYING; HUANG FEIYAN; WEN RONGRONG; LI GANPENG,期刊:Heterocycles, 页码:1897-1902 , 文章类型: Article,,卷期:2011年83-8]
- Two new xanthone glucosides, 1-O-beta-D-glucopyranosyl-3,5,6-trimethoxy-xanthone (1), 1-O-[beta-D-xylopyranosyl-(1 -> 6)-beta-D-glucopyranosyl]-3,5,6-trimethoxy-xanthone (2), were isolated from a EtOH extract of the over...
|